<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name ="viewport" content ="initial-scale=1, maximum-scale=3, minimum-scale=1, user-scalable=no">
    <script src="/static/js/jquery.min.js"></script>
    <script src="/static/js/jweixin-1.3.2.js"></script>
    <link rel="stylesheet" href="/static/css/fix_mina.css?v=1">
    <title>web1</title>
    <style type="text/css">
        .default_header {
            height: 60px;
            background-color: red;
        }
        .but {
            height: 60px;
            background-color: blue;
            width: 100%;
        }
    </style>
</head>
<body>
    <div class="default_header"></div>
    <script>
        var a = sessionStorage.getItem('test')
        $('.default_header').text('miniprogram:' + a)
    </script>
</body>
</html>